Report Summary

  • 56

    Performance

    Renders faster than
    72% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

cherwell-labs.co.uk

Cleanroom Microbiology Solutions | Cherwell Laboratories

Page Load Speed

2 sec in total

First Response

174 ms

Resources Loaded

1.3 sec

Page Rendered

486 ms

cherwell-labs.co.uk screenshot

About Website

Visit cherwell-labs.co.uk now to see the best up-to-date Cherwell Labs content and also check out these interesting facts you probably never knew about cherwell-labs.co.uk

High-quality products for environmental monitoring, operator validation and validation of sterilisation processes in pharmaceutical & associated industries

Visit cherwell-labs.co.uk

Key Findings

We analyzed Cherwell-labs.co.uk page load time and found that the first response time was 174 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

cherwell-labs.co.uk performance score

56

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value6.2 s

11/100

25%

SI (Speed Index)

Value4.7 s

70/100

10%

TBT (Total Blocking Time)

Value250 ms

84/100

30%

CLS (Cumulative Layout Shift)

Value0.026

100/100

15%

TTI (Time to Interactive)

Value9.8 s

28/100

10%

Network Requests Diagram

www.cherwell-labs.co.uk

174 ms

jquery-1.11.2.js

57 ms

jquery-migrate-1.2.1.js

68 ms

module_6122295943.min.css

68 ms

layout.min.css

67 ms

Our browser made a total of 78 requests to load all elements on the main page. We found that 46% of them (36 requests) were addressed to the original Cherwell-labs.co.uk, 19% (15 requests) were made to Fonts.gstatic.com and 9% (7 requests) were made to No-cache.hubspot.com. The less responsive or slowest element that took the longest time to load (383 ms) belongs to the original domain Cherwell-labs.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 144.2 kB (19%)

Content Size

743.9 kB

After Optimization

599.7 kB

In fact, the total size of Cherwell-labs.co.uk main page is 743.9 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 55% of websites need less resources to load. Images take 465.9 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 125.8 kB

  • Original 144.3 kB
  • After minification 127.4 kB
  • After compression 18.5 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 16.9 kB, which is 12% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 125.8 kB or 87% of the original size.

Image Optimization

-0%

Potential reduce by 793 B

  • Original 465.9 kB
  • After minification 465.1 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Cherwell Labs images are well optimized though.

JavaScript Optimization

-7%

Potential reduce by 6.2 kB

  • Original 88.5 kB
  • After minification 88.5 kB
  • After compression 82.3 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. This website has mostly compressed JavaScripts.

CSS Optimization

-25%

Potential reduce by 11.3 kB

  • Original 45.2 kB
  • After minification 45.2 kB
  • After compression 33.8 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Cherwell-labs.co.uk needs all CSS files to be minified and compressed as it can save up to 11.3 kB or 25% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (41%)

Requests Now

59

After Optimization

35

The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cherwell Labs. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

cherwell-labs.co.uk accessibility score

76

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[aria-*] attributes do not have valid values

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Links do not have a discernible name

Best Practices

cherwell-labs.co.uk best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

cherwell-labs.co.uk SEO score

91

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cherwell-labs.co.uk can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Cherwell-labs.co.uk main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

Open Graph data is detected on the main page of Cherwell Labs. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: